Adding topology auto-layout.

Change-Id: I2b9e0b5808b8d193e8d08b7fe6ffdb007b083809
diff --git a/apps/pom.xml b/apps/pom.xml
index fe5661a..a1abb59 100644
--- a/apps/pom.xml
+++ b/apps/pom.xml
@@ -101,6 +101,7 @@
         <module>routeradvertisement</module>
         <module>simplefabric</module>
         <module>mcast</module>
+        <module>layout</module>
     </modules>
 
     <properties>